diff --git a/eigen3/PKGBUILD b/eigen3/PKGBUILD
new file mode 100644
index 000000000..61e75f9b6
--- /dev/null
+++ b/eigen3/PKGBUILD
@@ -0,0 +1,31 @@
+#contributions from Arch: https://projects.archlinux.org/svntogit/packages.git/tree/trunk?h=packages/eigen
+
+pkgname=eigen3
+pkgver=3.2.4
+pkgrel=1
+pkgdesc="Lightweight C++ template library for vector and matrix math, a.k.a. linear algebra."
+arch=('x86_64')
+url='http://eigen.tuxfamily.org'
+license=('GPL3' 'LGPL2.1' 'BSD' 'custom:MPL2' 'custom:MINPACK')
+makedepends=('cmake' 'pkg-config')
+source=("${pkgname}-${pkgver}.tar.bz2::http://bitbucket.org/eigen/eigen/get/${pkgver}.tar.bz2")
+sha1sums=('64ea809acc449adbd8fe616def7d48ff4f0776a8')
+
+build() {
+	mkdir -p build
+	cd build
+	cmake ../eigen-eigen-* \
+		-DCMAKE_BUILD_TYPE=Release \
+		-DCMAKE_INSTALL_PREFIX=/usr
+	make
+}
+
+package() {
+	cd build
+	make DESTDIR="$pkgdir" install
+
+	# install custom licenses
+	install -Dm644 ../eigen-eigen-*/COPYING.MPL2 "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+        install -Dm644 ../eigen-eigen-*/COPYING.BSD "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+        install -Dm644 ../eigen-eigen-*/COPYING.MINPACK "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}